Control Boards
81P-0001 Industrial Microcontroller Board
Graves Electronics
81P-0001; Graves Electronics programmable industrial microcontroller board, use any software, compiler or programmer; standard RS-485 communication, RS-232, eight I/O lines that can be set as analog, protected and buffered digital input, or digital output, and four dedicated MOSFET outputs; two expansion module ports allow various add-on modules...
| 1-9 | $280.6000 |
| 10-24 | $270.4800 |
| 25-49 | $261.2800 |
| 50+ | $255.5300 |
81P-0100
Graves Electronics
81P-0100; Expander1 Module for the Graves Electronics Controller Board 81P-0001 ; based around the NXP PCF8574A chip; plugs into either of the module ports on the controller board; uses I²C bus to communicate with the microcontroller; DIP switches to enable address selection or to engage or disengage pull-up resistors for the I²C bus;...
| 1-9 | $67.4500 |
| 10-24 | $65.0200 |
| 25-49 | $62.8100 |
| 50+ | $61.4300 |
81P-0101
Graves Electronics
81P-0101; Expander2 Module for the Graves Electronics Controller Board 81P-0001 ; based around the NXP PCF8574 chip; plugs into either of the module ports on the controller board; uses I²C bus to communicate with the microcontroller; DIP switches to enable address selection or to engage or disengage pull-up resistors for the I²C bus;...
| 1-9 | $67.4500 |
| 10-24 | $65.0200 |
| 25-49 | $62.8100 |
| 50+ | $61.4300 |
81P-0110
Graves Electronics
81P-0110; Pressure1 Module for the Graves Electronics Controller Board 81P-0001 ; utilizes Honeywell's SCC line of digital pressure sensors; plugs into either of the module ports on the controller board; uses I²C bus to communicate with the microcontroller; DIP switch to engage or disengage pull-up resistors for the I²C bus 12-bit,...
| 1-9 | $101.3900 |
| 10-24 | $97.7400 |
| 25-49 | $94.4100 |
| 50+ | $92.3400 |
81P-0120
Graves Electronics
81P-0120; Relay1 Module for the Graves Electronics Controller Board 81P-0001 ; uses the NXP PCF8574A chip for I/O functions; plugs into either of the module ports on the controller board; uses I²C bus to communicate with the microcontroller; DIP switches to enable address selection or to engage or disengage pull-up resistors for the I²C bus;...
| 1-9 | $104.0900 |
| 10-24 | $100.3400 |
| 25-49 | $96.9200 |
| 50+ | $94.7900 |
81P-0121
Graves Electronics
81P-0121; Relay2 Module for the Graves Electronics Controller Board 81P-0001 ; uses the NXP PCF8574 chip for I/O functions; plugs into either of the module ports on the controller board; uses I²C bus to communicate with the microcontroller; DIP switches to enable address selection or to engage or disengage pull-up resistors for the I²C bus;...
| 1-9 | $104.0900 |
| 10-24 | $100.3400 |
| 25-49 | $96.9200 |
| 50+ | $94.7900 |